EP2539424B1 - Nettoyant de cuvette de w.c. et procédé associé - Google Patents

Nettoyant de cuvette de w.c. et procédé associé Download PDF

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Publication number
EP2539424B1
EP2539424B1 EP11707731.3A EP11707731A EP2539424B1 EP 2539424 B1 EP2539424 B1 EP 2539424B1 EP 11707731 A EP11707731 A EP 11707731A EP 2539424 B1 EP2539424 B1 EP 2539424B1
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EP
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Prior art keywords
surfactant
cleaning composition
surfactants
viscosity
diamine
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EP11707731.3A
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German (de)
English (en)
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EP2539424A1 (fr
Inventor
Richard W. Avery
Kathleen A. Kochevar
Russell B. Wortley
Carlos Romero
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SC Johnson and Son Inc
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SC Johnson and Son Inc
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/30—Amines; Substituted amines ; Quaternized amines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/40—Monoamines or polyamines; Salts thereof
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/48—Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the present invention relates to cleaning compositions for application to hard surfaces, particularly the cleaning of toilet bowl inside surfaces.
  • the cleaning compositions include at least one C10-C24 antimicrobially active diamine surfactant and exhibits improved fluid flow characteristics, particularly an increased viscosity of at least 100 centipoise.
  • Cleaning compositions that effectively disinfect and clean hard surfaces such as those in lavatories and bathrooms, particularly toilet bowls, are well known. Typical cleaning compositions provide effective coverage of the treated surfaces to ensure that contact between the cleaning composition and contaminants present on the surface occur. Ineffective disinfection and cleaning of the surface often is the end result without such contact, particularly for inner toilet bowl surfaces. For pitched toilet bowl surfaces, viscous cleaning compositions can provide good coverage and retention, particularly vertically sloped interior surfaces of a toilet bowl. Unfortunately, the addition of various surfactants for the adjustment of cleaning composition spreading and surface wetting characteristics also reduces cleaning composition viscosity.
  • Reduced viscosity compositions when applied to interior toilet bowl surfaces are characterized by a layer, or lamina, of applied liquid that slides down the interior of the toilet bowl and that typically separates into a number of smaller and distinct channels or rivulets. Regions of the toilet bowl interior surface that are in between the liquid channels or rivulets form untreated portions of the toilet bowl.
  • known cleaning composition ingredients tend to separate as the composition flows on the toilet bowl surface, thus further reducing the effectiveness of the cleaning composition.
  • the US 6 521 578 A1 describes a hard surface cleaning composition containing hydrochloric acid in an amount to get an implicit pH lower than 4, a cocoamidopropyl betaine surfactant, ethoxylated nonionic surfactant and/or alkoxylated fatty amine acting also as thickener, dye and fragrance.
  • the cleaning composition having a viscosity of at least 590 cP for cleaning a toilet bowl.
  • compositions are known to the art which provide a cleaning and optionally a disinfecting benefit to hard surfaces and particularly to lavatory appliances, there is nonetheless a real and continuing need in the art to provide still further improved compositions which provide an improved cleaning, and desirably also a simultaneous sanitizing or disinfecting benefit, to treated hard surfaces.
  • liquid cleaning compositions and methods useful in the treatment of hard surfaces that feature improved fluid flow properties, such as viscosity, so as to provide surface coverage when applied from a container, especially a squeeze bottle, onto a vertical or inclined hard surface, to overcome the above disadvantages.
  • the present invention relates to the use of an aqueous acidic cleaning composition with a pH of less than 4 and including hydrochloric acid, and one antimicrobially active diamine surfactant such as N-(3-aminopropyl)-N -dodecylpropane-1,3-diamine.
  • a surfactant mixture is also included as part of the cleaning composition and includes an amine oxide surfactant, an quaternary amine surfactant, an alkoxylated fatty alcohol surfactant or an alkoxylated fatty amine surfactant, individually or in combinations.
  • Further ingredients of the cleaning composition include a fragrance and a dye.
  • the cleaning composition is used for cleaning toilet bowl surfaces.
  • compositions of the invention are acidic in nature and comprise hydrochloric acid.
  • the sola acid present is hydrochloric acid to the exclusion of other acids.
  • a suitable range of active hydrochloric acid-containing component for use in the present invention is 2% to 20% by weight as pure hydrochloric acid (100%) in the inventive compositions.
  • compositions of the invention include at least one antimicrobially active surfactant.
  • antimicrobially active surfactants include C10-20 alkyl diamines that can be nonionic, amphoteric, or zwitterionic surfactants.
  • antimicrobially active surfactants include anti-microbial agents or biocides that are effective in inhibiting the growth and/or destroying harmful microorganisms.
  • surfactants that have demonstrated efficacy against known and commonly occurring undesirable microorganisms such as bacteria, fungi, algae, and viruses, which are respectively designated an antibacterial, a fungicide, an algaecide, and an antiviral.
  • Antimicrobially active surfactants that are generally effective against a plurality of microorganism types are known as an antimicrobial.
  • a list of bacteria that the antimicrobially active surfactants, which act as antibacterials, can effectively inhibit or destroy include: Bacillus cereus; Bacillus stearothermophilus; Bacillus subtilis; Bordetella bronchiseptica; Campylobacter jejuni; Clostridium perfringens; Corynebacterium xerosis; Enterococcus faecium; Enterococcus hirae; Erysipelothrix insidiosa; Escheria coli; Haemophilus pleuropneumoniae; Klebsiella pneumonia; Lactobacillus brevis; Lactobacillus casei; Lactobacillus krusei; Lactobacillus lindneri; Listeria monocytogenes; Micrococcus luterus; Pasteurella multocida; Pediococcus damnosus; Proteus mirabilis; Pseudomon
  • a list of algae that the antimicrobially active surfactants, which act as algaecides, can effectively inhibit or destroy include: Chlorella pyrenoidosa; Desmodesmus subspicatus; and Selenastrum capricornum.
  • viruses that the antimicrobially active surfactants which act as antivirals, can effectively inhibit or destroy include: Hepatitis B virus; Human immunodeficiency virus; Rotavirus strain Wa; Vaccinia virus; Bovine virus diarrhea virus; Hepatitis C virus; Herpes simplex virus; Bovine corona virus; SARS virus; Bird flu virus; and Influenza A virus.
  • the antimicrobially active diamine surfactants of the present invention also unexpectantly increase the viscosity of the liquid cleaning compositions.
  • the antimiarobially active surfactants include C10-C24 alkyl diamines that can be amphoteric or zwitterionic surfactants.
  • the inclusion of such antimicrobially active diamine surfactants into acidic aqueous cleaning compositions not only provides excellent antimicrobial activity so as to disinfect lavatory surfaces, but also causes an increase in cleaning composition viscosity substantially greater than that of similar cleaning compositions that utilize more conventional biocidal surfactants.
  • cleaning compositions typically contain conventional biocidal surfactants, such as quaternary ammonium surfactants of the general formula: RR'N+(CH3)2 Cl-, where R and R' represents separate and distinct alkyl straight chains, such as C10-C20.
  • quaternary ammonium biocide surfactants typically have a viscosity of about 12.5 centipoise.
  • the individual ingredients of such cleaning composition formulations also tend to separate upon use.
  • cleaning compositions that include a comparable amount of antimicrobially active diamine surfactant have a viscosity of at least 100 centipoises.
  • the antimicrobially active diamine surfactants which simultaneously provide both antimicrobial activity and substantially higher cleaning composition viscosity of at least 100 centipoises, include alkyl amino diamines.
  • Suitable alkyl amino diamines surfactants have the formula RN(R'NH2)2, where R is a alkyl group ranging from C10 to C24, and where each of the two amine groups (NH2) are attached to different carbon atoms, and where R' is a lower alkyl group ranging from C1 to C5.
  • an antimicrobially active alkyl amino diamine surfactant that is useful in inventive cleaning compositions is N-(3-Aminopropyl)-N -dodecylpropane-1,3-diamine which is marketed by Lonza Ltd. under the trade name Lonzabac®.
  • typical cleaning compositions also include individual surfactants or mixtures of surfactants.
  • surfactants are used as surface-active agents for the modification of interfacial tension between liquid and hard surfaces.
  • Such surface-active agents typically contain both hydrophobic groups and hydrophilic groups.
  • these surfactants operate as wetting agents that lower the surface tension of the liquid itself and lower the interfacial tension at the hard surface, allowing easier spreading.
  • Surfactants useful in controlling characteristics such as hard surface contacting and spreading of the cleaning compositions can be anionic, cationic, non-Ionic, amphoteric, and zwitterionic surfactants or appropriate combinations of surfactants, In addition, a number of individual surfactants can be mixed together to give optimal fluid characteristics and performance in terms of cleaner thickness and hard surface spreading and clinging while maintaining effective surface disinfection by not inhibiting the antimicrobially active diamine surfactants.
  • the cleaning compositions of the present invention include a surfactant mixture that has surfactants and co-surfactants, individually or in combination, such as amine oxides, quaternary amines, alkoxylated fatty alcohols, and alkoxylated fatty amines.
  • the surfactant mixture is a blend of ethoxylated fatty alcohols and ethoxylated fatty amines.
  • the surfactant mixture can be tailored to adjust fluid characteristics of cleaning compositions in terms of liquid spreading over solid surfaces, liquid clinging to a solid surface, liquid plasticity, and the gravitational flow of liquid across a hard surface. Without being bound by any specific theory such adjustments are made by controlling liquid and interfacial surface tensions.
  • alkoxylated fatty alcohols examples include alkoxylated fatty alcohols, alkoxylated fatty amines, and blends of these alcohols and amines.
  • Alkoxylated fatty alcohols are commercially known as a generally nonionic or cationic class of surfactants, and have the general formula of ROH(R'O)nH, where R is a linear or branched alkyl group ranging from C8 to C24, R' is an alkyl group ranging from C1 to C5, and n is a number that can range from 1 to 30 or higher.
  • This type of alcohol surfactant can be the condensation product of primary or secondary higher alcohols condensed with up to 18 moles of alkyl oxide or more to produce a mixture of alkoxylated fatty alcohols,
  • the length of the fatty acid chain and the degree of alkoxylation can be varied to achieve the correct hydrophobic and hydrophilic characteristics of the surfactant.
  • Ethoxylated fatty alcohols such as the product of lauryl or myristyl alcohol condensed with varying amounts of ethylene oxide, are a non-limiting example of alkoxylated fatty alcohols advantageously useful in the inventive cleaning compositions.
  • alkoxylated fatty amines these amines are also commercially known as a generally cationic class of surfactants, and have the general formula of RNH(R'O)nH, where R is a linear or branched alkyl group ranging from C8 to C24, R' is an alkyl group ranging from C1 to C5, and n is a number that can range from 1 to 30 or higher.
  • This type of amine surfactant can be the condensation product of primary, secondary, or tertiary fatty amines condensed with up to 18 moles of ethylene oxide or more to produce a mixture of ethoxylated fatty amines.
  • Ethoxylated fatty amines such as the product of lauryl or myristyl amine condensed with varying amounts of ethylene oxide, are a non-limiting example of alkoxylated fatty alcohols advantageously useful in the Inventive cleaning compositions.
  • the surfactant mixture can be individual surfactants or a blend of surfactants.
  • a useful blend of alkoxylated fatty alcohols and alkoxylated fatty amines could be a blend of Ethoxylated fatty alcohols and ethoxylated fatty amines.
  • a non-limiting example of such a blend of ethoxylated fatty alcohols and ethoxylated fatty amines surfactants that can be advantageously used in the inventive cleaning compositions include a surfactant marketed under the trade name ARLYPON® VPC by Cognis Corporation.
  • the cleaning composition also include further components, such as fragrance and dyes. These additional components can be included in the cleaning compositions to enhance the smell and appearance of the compositions to make them more appealing to the end user consumer.
  • Conventional odiferous compounds that are suitable for use in cleaning compositions include fragrances or more complex perfumes.
  • the fragrances and perfumes can be natural or synthetically produced and can be individual or a combination of compounds and chemicals.
  • Fragrances and perfumes suitable for use in the cleaning composition include compounds that are acid-compatible and acid-stable. A non-limiting example of such a fragrance is TNF4707, a fragrance marketed by Takasago International Corp.
  • a suitable acid-stable fragrance may be included, up to a level of 0.05% to 1.0%.
  • one or more colorant can be added to the cleaning compositions that are useful to modify composition appearance to produce a user-pleasing color and tint.
  • Colorants are also useful in improving the visibility of the cleaning composition that has been applied to the surface being treated, particularly toilet bowl Inside surfaces.
  • Known pigments and dyes useful as cleaning composition colorants include, but are not limited to, the United States Food and Drug Administration list of Food, Drug, and Cosmetic (FD&C) approved dyes.
  • FD&C Food, Drug, and Cosmetic
  • very small amounts of acid-stable colorants are useful to impart color to cleaning compositions.
  • An example of a cleaning composition colorant includes Acid Blue No. 9 added at about 0.005%.
  • a suitable dye may be included up to 0.15wt%.
  • the cleaning compositions discussed above are viscous liquids that are used as toilet bowl cleaners.
  • the method of using the cleaning composition includes the steps of: i) providing a cleaning composition comprising an acid and an antimicrobially active diamine surfactant, the cleaning composition having a pH of less than 4 and a viscosity of at least 100 centipoises; ii) contacting the cleaning composition with a soiled portion of the toilet bowl surface having containments that adhere to the toilet bowl surface; and iii) removing the cleaning composition together with the containments from the soiled portion of the toilet bowl surface with a stream of water delivered to the surface by flushing the toilet.
  • the toilet bowl cleaner disinfects and cleans toilet bowl surfaces
  • the method of using the cleaning composition on a surface also includes disinfecting the surface such as the inside surface of a toilet bowl through the contact of microorganisms on the toilet bowl surface with the cleaning composition.
  • cleaning compositions according to the invention are set forth below to show that the inventive cleaning compositions having antimicrobially active diamine surfactants have a liquid viscosity greater than 100 centipoise.
  • cleaning composition of the present invention can be any suitable aqueous acidic compositions having antimicrobially active diamine surfactants that are effective against a number of commonly known undesirable microorganisms.
  • acid is a major ingredient, based on weight, of the cleaning composition.
  • Hydrochloric acid is a typical acid used to acidify cleaning compositions.
  • the cleaning compositions include a number of different types of surfactants.
  • One of the surfactants is an antimicrobially active diamine. This type of surfactant not only acts to clean and disinfect the surface but, when included in an inventive cleaning composition, such diamine surfactants result in substantially increasing cleaning composition viscosity.
  • Antimicrobially active diamine surfactants include, but are not limited to, alkyl amino diamines surfactants, such as N-(3-Aminopropyl)-N -dodecylpropane-1,3-diamine (Lonzabac®-12.100), and alkyl diamino carboxylic acid surfactants, such as the reaction products of amines, N-C10-16 - alkyltrimethylenedi, with chloro acetic acid (REWOCID WK 30).
  • alkyl amino diamines surfactants such as N-(3-Aminopropyl)-N -dodecylpropane-1,3-diamine (Lonzabac®-12.100)
  • alkyl diamino carboxylic acid surfactants such as the reaction products of amines, N-C10-16 - alkyltrimethylenedi, with chloro acetic acid (REWOCID WK 30).
  • a surfactant mixture which can include a number of additional surfactants, is part of the inventive cleaning compositions.
  • Such surfactants and mixtures are used to modify the fluid characteristics like the flow and surface interaction properties of the cleaning composition.
  • a suitable surfactant mixture includes about 75 wt% alkyl dimethyl amine oxides, such as a blend of about 60% N,N-dimethyltetradecan-1-amine oxide and 40% N,N-dimethylhexadecan-1-amine oxide (Ammonyx® X2182); and about 25 wt% of a quaternary ammonium surfactant, such as hexadecyl(trimethyl)ammonium chloride (Arquad® 16-29).
  • alkyl dimethyl amine oxides such as a blend of about 60% N,N-dimethyltetradecan-1-amine oxide and 40% N,N-dimethylhexadecan-1-amine oxide (Ammonyx® X2182)
  • a quaternary ammonium surfactant such as hexadecyl(trimethyl)ammonium chloride (Arquad® 16-29).
  • the cleaning compositions can further include optional ingredients such as a fragrance and/or a colorant.
  • a suitable acid-soluble and acid-stable fragrance for use in aqueous acidic cleaning compositions includes, but is not limited to, Takasago TNF4707 marketed by Takasago International Corporation.
  • a suitable colorant or dye for use in such cleaning compositions includes, but is not limited to, Acid Blue No. 9.
  • An example of a cleaning composition formulation according to the invention is as follows: TABLE 1.
  • Cleaning Composition Formulation Ingredients Wt. % Hydrochloric Acid-100% (Acidifier) 2-20 (C10-24 alkyl diamine surfactant (Antimicrobially active surfactant) 0.1-0.7
  • Surfactant Mixture (1) C10-C12 Quaternary Amine (Surfactant) 0.5-3 Dimethyl C14-C18 Alkyl Amine Oxides (Surfactant) 2-6 Blend of Ethoxylated Fatty Alcohols and Ethoxylated Fatty Amines(Surfactant) 0.5-4 Fragrance 0.05-1.0 Dye 0-0.15 Deionized Water Balance to 100%
  • Surfactant mixture can include each identified surfactant individually or in combination with other identified surfactants.
  • Example 1 A sample of a specific cleaning composition formulation was prepared using a series of steps that include mixing the various ingredients together. Without being bound by any specific recipe for cleaning composition preparation, a description follows of how the example cleaning composition was prepared.
  • An initial acidic aqueous solution was prepared by mixing hydrochloric acid (32%) into deionized water.
  • a surfactant mixture was added to the acidic aqueous solution.
  • the addition of the surfactant mixture can proceed in a number of ways. One way is to add and mix the individual surfactants together and then add the surfactant mixture to the acidic aqueous solution. Alternatively, each individual surfactant can be added and mixed directly into the acidic aqueous solution.
  • the order of individual surfactant addition to a surfactant mixture or directly into the acidic aqueous solution can vary; however, it is believed that the cleaning composition properties are independent of the order of surfactant addition into the acidic aqueous solution, whether individually or as a mixture.
  • the individual surfactant components that make up the surfactant mixture were added directly to the acidic aqueous solution and the solution was mixed before adding the next surfactant component.
  • the resulting acidic aqueous solution was also mixed after the last surfactant was added. More specifically for this example, quaternary amine (Arquad® 16-29) was added to the acidic aqueous solution and the resultant solution was mixed, and then an amine oxide blend (Ammonyx® X2182) was ' added and the resultant solution was mixed.
  • the last ingredient to be added to the relatively low viscosity acidic solution to form the cleaning composition was the antimicrobially active diamine surfactant.
  • Lonzabac® 12.100 (80% active) was the antimicrobially active diamine surfactant used in this first example. After addition of the diamine surfactant, the solution was mixed. In addition, extra delonized water was added and mixed in as necessary to finalize the cleaning composition for comparison with other example formulations.
  • the resultant cleaning composition exhibited good ingredient stability by virtue of the fact that no separation of the ingredients was observed.
  • the viscosity of the cleaning composition was an unexpectantly high value of 275 centipoise, which was a significant increase above the 12.5 centipoise viscosity of the solution before the antimicrobially active diamine surfactant was added.
  • about a 260 centipoise increase in viscosity was attributable to the addition of the Lonzabac® 12.100 surfactant.
  • Example 1 The formulation of the cleaning composition in Example 1 is as follows: TABLE 2. Cleaning Composition-Example 1 Ingredients Wt.% Hydrochloric Acid-32% (Acidifier) 29.400 C10-24 alkyl diamine surfactant (Antimicrobially active surfactant)(1) 0.167 Surfactant Mixture C10-C12 Quaternary Amine (Surfactant) 1.350 Dimethyl C14-C18 Alkyl Amine Oxides (Surfactant) 4.500 Fragrance 0.100 Dye 0.005 Deionized Water Balance to 100% (1) Antimicrobially active diamine surfactant is Lonzabac®-12.100 (90% active).
  • Example 2 A second formulation of a cleaning composition was prepared.
  • the approach used to prepare the second example formulation was the same as that used to prepare the first example compositions discussed above.
  • an acidic aqueous solution was prepared before adding the antimicrobially active diamine surfactant.
  • the solution of this second formulation also included deionized water, hydrochloric acid (32%), a surfactant mixture (Arquad® 16-29 and Ammonyx® X2182), a fragrance (Takasago TNF4707), and a dye (Acid Blue No. 9). Ingredients were added and mixed in the order given.
  • the antimicrobially active diamine surfactant was added to the relatively low viscosity solution and mixed.
  • the antimicrobially active diamine surfactant used was Rewocid WK (30% active).
  • the resultant cleaning composition exhibited good ingredient stability by virtue of the fact that no separation of the ingredients was observed.
  • a superior viscosity which was even greater than the viscosity measured in the first example, was noted.
  • the viscosity of the cleaning composition unexpectantly increased to 438 centipoise, which was a significant increase above the 12.5 centipoise viscosity of the solution before the antimicrobially active diamine surfactant was added.
  • about a 425 centipoise increase in cleaning composition viscosity was attributable to the addition of the Rewocid WK (30% active) surfactant.
  • Example 2 The formulation of cleaning composition in Example 2 is as follows: TABLE 3. Cleaning Composition-Example 2 Ingredients Wt.% Hydrochloric Acrid-32% (Acidifier) 29.400 C10-24 alkyl diamine surfactant (Antimicrobially active surfactant)(1) 0.500 Surfactant Mixture C10-C12 Quaternary Amine (surfactant) 1.350 Dimethyl C14.C18 Alkyl Amine Oxides (Surfactant) 4.500 Fragrance 0,100 Dye 0.005 Deionized Water Balance to 100% (1) Antimicrobially active diamine surfactant Is Rewocid WK (30% active). Examples 3 and 4 are comparative examples.
  • Example 3 Another formulation of a cleaning composition was prepared. The approach used to prepare this third formulation was similar to the approach used in the previous examples discussed above. For the third formulation, an acidic aqueous solution was prepared before adding a biocidal surfactant.
  • the biocidal surfactant was a quaternary amine that was distinctly different from the antimicrobially active diamine surfactants used in Examples 1 and 2.
  • the acidic aqueous solution included deionized water, hydrochloric acid (32%), a surfactant mixture (Arquad® 16-29 and Ammonyx® X2182), a fragrance (Takasago TNF4707), and a dye (Acid Blue No. 9).
  • the ingredients of this example were added and mixed in the order given, which was the same procedure used in the previous examples.
  • the biocidal quaternary amine surfactant used in Example 3 was chemically distinguishable from the antimicrobially active diamine surfactants used in Examples 1 and 2. Even so, a comparable amount of the biocidal quaternary amine surfactant was added to the relatively low viscosity acidic aqueous solution and mixed. For this example, 0.300 weight percent of the biocidal surfactant (Arquad® 2.10 (50% active)) was added to the solution, a level comparable to the levels used for the antimicrobially active diamine surfactants in the previous examples; however, for this third formulation no change in viscosity was noted.
  • the ingredients of the resultant cleaning composition were observed to separate both before and after the addition of the biocidal quaternary amine surfactant.
  • the addition of the Arquad® 2.10 surfactant had no or at best a minimal impact on both cleaning composition viscosity and ingredients separation.
  • Example 4 A fourth formulation of a cleaning composition included a different surfactant mixture than the previous examples.
  • the approach used to prepare the fourth formulation was similar to the approach used in the previous examples discussed above except for the different surfactant mixture.
  • an acidic aqueous solution was prepared before adding the antimicrobially active diamine surfactant, Rewocid WK (30% active), the same surfactant used in Example 2.
  • the acidic aqueous solution included deionized water, hydrochloric acid (32%), a surfactant mixture (ARLYPON® VPC), a fragrance (Norseman), and a dye (Acid Blue No. 9).
  • the ingredients of this example were added and mixed consistent with the approach used in the previous examples.
  • the antimicrobially active diamine surfactant used in this cleaning composition formulation was Rewocid WK (30% active).
  • Adding the antimicrobially active diamine surfactant to the acidic aqueous solution to produce the cleaning composition produced improved visual and physical characteristics.
  • the resultant cleaning composition exhibited good ingredient stability by virtue of the fact that no separation of the ingredients was observed.
  • a relatively high viscosity of 413 centipoise was measured. This viscosity exceeded that of the acidic aqueous solution that included only the ARLYPON® VPC surfactant.
  • this example again demonstrates an unexpected increase in viscosity that is attributable to the antimicrobially active diamine surfactant, which in this example was Rewocid WK (30% active).
  • the formulation of cleaning composition in Example 4 is as follows: TABLE 4. Cleaning Composition-Example 4 Ingredients Wt. % Hydrochloric Acid-32% (Acidifier) 29.400 C10-24 alkyl diamine surfactant (Antimicrobially active surfactant)(1) 0.500 Surfactant Mixture Blend of Ethoxylated Fatty Alcohols and Ethoxylated Fatty Amine (Surfactant) 2.000 Fragance 0.100 Dye 0.005 Deionized Water Balance to 100% (1) Antimicrobially active diamine surfactant is Rewocid WK (30% active).

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Claims (4)

  1. Utilisation d'une composition nettoyante aqueuse contenant :
    de 2 à 20 % en poids d'acide chlorhydrique ;
    de 0,1 à 0,7 % en poids de N-(3-aminopropyl)-N-dodécylpropane-1,3-diamine en tant que diamine en C10-24 active au plan antimicrobien ;
    un mélange tensioactif comprenant de 0,5 à 3 % en poids d'une amine quaternaire en C10-C12, de 2 à 6 % en poids d'oxydes de diméthyl (alkyle en C14-C18) amine et de 0,5 à 4 % en poids d'un mélange d'alcools gras éthoxylés et d'amines grasses éthoxylées ;
    de 0,05 à 1,0 % en poids de parfum ;
    de 0 à 0,15 % en poids de colorant ; et
    dans laquelle la composition nettoyante aqueuse a un pH inférieur à 4 et une viscosité d'au moins 100 centipoises
    pour nettoyer une surface de cuvette de toilette.
  2. Utilisation de la composition nettoyante aqueuse selon la revendication 1, dans laquelle la composition nettoyante aqueuse a une viscosité d'au moins 250 centipoises.
  3. Utilisation de la composition nettoyante aqueuse selon la revendication 1, dans laquelle le tensioactif de la diamine active au plan antimicrobien est un antibactérien.
  4. Utilisation de la composition nettoyante aqueuse selon la revendication 1, dans laquelle l'antibactérien efficace inhibe ou détruit des bactéries sélectionnées dans le groupe consistant en : Bacillus cereus ; Bacillus stearothermophilus ; Bacillus subtilis ; Bordetalla bronchiseptica ; Campylobacter jejuni ; Clostridium perfringens ; Corynebacterium xerosis ; Enterococcus faecium ; Enterococcus hirae ; Erysipelothrix insidiosa ; Escheria coli ; Haemophilus pleuropneumoniae ; Klebsiella pneumonia ; Lactobacillus brevis ; Lactobacillus casei ; Lactobacillus krusei ; Lactobacillus lindneri ; Listeria monocytogenes ; Micrococcus luterus ; Pasteurella multocida ; Pediococcus damnosus ; Proteus mirabilis ; Pseudomonas aeruginosa ; Salmonella enteritis ; Salmonella panama ; Salmonella thyphimorium ; Serratia marcescens ; Staphylococcus epidermidis ; Staphylococcus aureus ; Streptococcus faecalis ; Vibrio parahaemoliticus, Yersina enterocolitica ; et les combinaisons de ceux-ci.
EP11707731.3A 2010-02-24 2011-02-23 Nettoyant de cuvette de w.c. et procédé associé Active EP2539424B1 (fr)

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US30756010P 2010-02-24 2010-02-24
PCT/US2011/000339 WO2011106092A1 (fr) 2010-02-24 2011-02-23 Nettoyant de cuvette de w.c. et procédé associé

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EP2539424A1 EP2539424A1 (fr) 2013-01-02
EP2539424B1 true EP2539424B1 (fr) 2017-08-09

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EP (1) EP2539424B1 (fr)
JP (1) JP2013520551A (fr)
CN (1) CN102844423A (fr)
AR (1) AR080302A1 (fr)
AU (1) AU2011219017A1 (fr)
BR (1) BR112012021418A2 (fr)
MX (1) MX353969B (fr)
RU (1) RU2012140493A (fr)
WO (1) WO2011106092A1 (fr)

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JP7066313B2 (ja) 2016-08-09 2022-05-13 小林製薬株式会社 液体洗浄組成物
GB2563227B (en) 2017-06-06 2021-01-20 Reckitt Benckiser Brands Ltd In-the-bowl dispensing device
WO2019094418A1 (fr) * 2017-11-07 2019-05-16 Ecolab Usa Inc. Composition de nettoyage alcaline et procédés pour l'élimination de rouge à lèvres
CN111315857B (zh) 2017-12-07 2024-02-09 埃科莱布美国股份有限公司 使用支链多胺去除口红的组合物和方法
CN108522952B (zh) * 2018-03-29 2021-03-26 青岛农业大学 一种黄曲霉菌Led紫外和超临界CO2复合杀菌清洗装置
CN110453492B (zh) * 2019-08-12 2021-09-24 南通大学 一种长效耐洗抗菌的织物整理方法
JP2023515601A (ja) 2020-03-23 2023-04-13 エコラボ ユーエスエー インコーポレイティド 機械器物洗浄にアミン系界面活性剤を用いる新規の二機能一体型殺菌およびすすぎ助剤組成物

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Publication number Publication date
JP2013520551A (ja) 2013-06-06
RU2012140493A (ru) 2014-03-27
MX2012009898A (es) 2012-12-05
MX353969B (es) 2018-02-07
US20130042887A1 (en) 2013-02-21
CN102844423A (zh) 2012-12-26
AR080302A1 (es) 2012-03-28
AU2011219017A1 (en) 2012-09-06
EP2539424A1 (fr) 2013-01-02
WO2011106092A1 (fr) 2011-09-01
BR112012021418A2 (pt) 2016-10-25

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